Josephine Langford, a flight attendant, finds herself in an abusive relationship, engaged to a guy who is the chosen one; but clearly not 'the one' for her. She seeks safety with her best friend, Hero Fiennes-Tiffin, a pilot in the same airline, which leads to a new perspective of her life when she learns she can be happy after all. When her life hits a major bump, she is left alone and shattered in a questionable situation, she pursues comfort in her friend who takes her in. What she doesn't know is that Hero has a striking past of his own, and she is the source of bliss for him, the light in his dark life. It had always been there how he felt, she could just never see it.